Fan grill



FIG. 1 is a top perspective view of a fan grill showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top elevation view thereof; and,

FIG. 4 is a left side elevation view thereof, the right side being a mirror image.

The broken-line showing of environmental structure in FIGS. 1-4 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a fan grill, as shown and described. 